PreSonus DEQ624 User Manual
Page 13
CONTROLS & CONNECTIO NS
11
selecting 20 kHz allows all frequencies from 20 kHz and below to pass through unaffected,
effectively turning the Low Pass filter “Off”.
Expander
The DEQ 624 Expander is provided to eliminate system noise. The Expander is
controlled by selecting a threshold point for downward expansion to begin and by
selecting a ratio, which controls the amount of downward expansion.
T H R E S H O L D
The Expander Threshold control is variable from
? ? ?
dB to Off .
R A T I O
The Ratio control is variable from
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to Infinity
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.
Limiter
A “Brick Wall” Limiter is available to each channel of the DEQ 624. The limiter
will protect system components and listeners from destructive transients by
providing an electronic barrier which signals rising above the user-determined
threshold will not be allowed to cross.